User guide

Systems and Equipment - 152 JT25 Operator’s Manual
Diagnostic Codes
CMW
63 no continuity to auxiliary dump valve add pipe or remove pipe aborted and
code is stored
non-
essential
65 no continuity to thrust neutral valve cruise control is blocked essential
66 no 6V internal power add pipe, remove pipe, drive, and
cruise control are blocked
essential
71 no continuity to drive selector valve drive is blocked essential
73 no continuity to throttle up solenoid code is stored non-
essential
74 no continuity to throttle down solenoid code is stored non-
essential
114 no continuity to drilling fluid pump
solenoid
code is stored essential
122 no continuity to drilling fluid check
valve
code is stored non-
essential
131 no continuity to thrust rear home
switch
add pipe and remove pipe are
blocked
non-
essential
132 no continuity to thrust front home
switch
add pipe and remove pipe are
blocked
non-
essential
133 no continuity to shuttle home switch add pipe and remove pipe are
blocked
non-
essential
134 no continuity to front wrench switch add pipe and remove pipe are
blocked
non-
essential
144 drive joystick left/right out of range drive is blocked essential
145 drive joystick forward/backward out of
range
drive is blocked essential
151 drill joystick left/right out of range rotation, cruise control, and carve
mode are blocked
essential
152 drill joystick forward/backward out of
range
thrust, cruise control, and carve mode
are blocked
essential
154 drilling fluid potentiometer out of
range
code is stored essential
164 no continuity to tracker control input code is stored non-
essential
166 no continuity to thrust rear stop switch code is stored non-
essential
171 no continuity to pipe grip rocker switch code is stored non-
essential
Code Condition Result Severity